/* 浅色主题 - campus-light.css */

/* 全局基础 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg-page: #f4f5fb;
  --bg-card: #ffffff;
  --bg-card-soft: #ffffff;
  --accent: #4f46e5;
  --accent-soft: rgba(79, 70, 229, 0.08);
  --accent-strong: #4338ca;
  --text-main: #111827;
  --text-sub: #6b7280;
  --border-soft: rgba(148, 163, 184, 0.5);
  --radius-lg: 18px;
  --radius-md: 12px;
  --shadow-soft: 0 12px 30px rgba(15, 23, 42, 0.08);
}

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui,
    "PingFang SC", "Microsoft Yahei", sans-serif;
  background:
    radial-gradient(circle at 0% 0%, rgba(59, 130, 246, 0.08), transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(236, 72, 153, 0.06), transparent 55%),
    var(--bg-page);
  color: var(--text-main);
}

/* 顶部导航 */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 40px;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.92));
  border-bottom: 1px solid rgba(209, 213, 219, 0.9);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-dot {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #facc15, #fb923c 40%, #6366f1 80%);
  box-shadow: 0 0 18px rgba(251, 191, 36, 0.85);
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.logo-title {
  font-size: 18px;
  font-weight: 600;
  color: #111827;
}

.logo-sub {
  font-size: 12px;
  color: var(--text-sub);
}

.nav-links {
  display: flex;
  gap: 20px;
  font-size: 14px;
}

.nav-links a {
  color: var(--text-sub);
  text-decoration: none;
  padding: 6px 4px;
  border-radius: 999px;
  transition: color .2s ease, background-color .2s ease;
}

.nav-links a:hover {
  color: #111827;
  background: rgba(209, 213, 219, 0.4);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 按钮样式 */
.btn-primary,
.btn-secondary,
.btn-ghost,
.btn-small {
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-size: 14px;
  padding: 8px 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all .18s ease-out;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #f9fafb;
  box-shadow: 0 10px 24px rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 35px rgba(79, 70, 229, 0.5);
}

.btn-secondary {
  background: #f3f4f6;
  color: #111827;
  border: 1px solid rgba(209, 213, 219, 0.9);
}

.btn-secondary:hover {
  background: #e5e7eb;
}

.btn-ghost {
  background: transparent;
  color: var(--text-sub);
  border: 1px solid rgba(209, 213, 219, 0.9);
}

.btn-ghost:hover {
  color: #111827;
  border-color: rgba(148, 163, 184, 1);
}

.btn-small {
  font-size: 13px;
  padding: 6px 14px;
  background: #f9fafb;
  color: #111827;
  border: 1px solid rgba(209, 213, 219, 1);
}

.btn-small:hover {
  background: #e5e7eb;
}

/* 布局 */
.page-wrapper {
  max-width: 1200px;
  margin: 24px auto 40px;
  padding: 0 20px;
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(0, 1.1fr);
  gap: 24px;
}

/* 主面板 */
.main-panel {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* 英雄区 */
.hero-card {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.1fr);
  gap: 20px;
  background:
    radial-gradient(circle at 0 0, rgba(129, 140, 248, 0.22), transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(248, 250, 252, 0.6), transparent 50%),
    var(--bg-card);
  border-radius: 26px;
  padding: 24px 26px;
  border: 1px solid rgba(209, 213, 219, 1);
  box-shadow: var(--shadow-soft);
}

.hero-text h1 {
  margin: 12px 0 6px;
  font-size: 26px;
}

.hero-desc {
  margin: 0;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  color: #374151;
  background: rgba(249, 250, 251, 0.9);
  border: 1px solid rgba(209, 213, 219, 1);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #22c55e;
  box-shadow: 0 0 10px rgba(34, 197, 94, 0.8);
}

.hero-actions {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-tags {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-tags span {
  font-size: 11px;
  color: #4b5563;
  background: #f3f4f6;
  border-radius: 999px;
  padding: 4px 10px;
  border: 1px solid rgba(209, 213, 219, 1);
}

/* 右侧统计 */
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.stat-card {
  background: #f9fafb;
  border-radius: 20px;
  padding: 16px 18px;
  border: 1px solid rgba(209, 213, 219, 1);
}

.stat-label {
  font-size: 13px;
  color: var(--text-sub);
}

.stat-value {
  font-size: 30px;
  font-weight: 600;
  margin-top: 8px;
}

.stat-footer {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-sub);
}

.stat-mini-wrap {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.stat-mini {
  background: #ffffff;
  border-radius: 16px;
  padding: 10px 12px;
  border: 1px solid rgba(209, 213, 219, 1);
}

.mini-label {
  font-size: 12px;
  color: var(--text-sub);
}

.mini-value {
  font-size: 18px;
  margin-top: 4px;
}

/* 区块通用 */
.section-block {
  background: var(--bg-card-soft);
  border-radius: var(--radius-lg);
  padding: 18px 18px 16px;
  border: 1px solid rgba(209, 213, 219, 1);
  box-shadow: var(--shadow-soft);
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
}

.section-header h2 {
  margin: 0;
  font-size: 18px;
}

.section-sub {
  font-size: 12px;
  color: var(--text-sub);
}

/* 快捷入口 */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 10px;
}

.quick-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 14px 12px;
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 1px solid rgba(209, 213, 219, 1);
  text-decoration: none;
  color: var(--text-main);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
}

.quick-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.12);
  border-color: rgba(129, 140, 248, 0.9);
  background: #ffffff;
}

.quick-icon {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  background: var(--accent-soft);
}

.quick-icon.material {
  background: linear-gradient(135deg, #22c55e, #16a34a);
}

.quick-icon.contest {
  background: linear-gradient(135deg, #f97316, #f59e0b);
}

.quick-icon.ranking {
  background: linear-gradient(135deg, #6366f1, #4ade80);
}

.quick-icon.profile {
  background: linear-gradient(135deg, #ec4899, #8b5cf6);
}

.quick-title {
  font-size: 15px;
  font-weight: 500;
}

.quick-card p {
  margin: 0;
  font-size: 12px;
  color: var(--text-sub);
  line-height: 1.6;
}

/* 待办列表 */
.task-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.task-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid rgba(209, 213, 219, 1);
}

.task-item.urgent {
  border-color: rgba(248, 113, 113, 0.95);
  box-shadow: 0 0 0 1px rgba(248, 113, 113, 0.4);
  background: #fef2f2;
}

.task-main {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.task-tag {
  font-size: 11px;
  color: #f97316;
}

.task-title {
  font-size: 14px;
}

.task-meta {
  font-size: 12px;
  color: var(--text-sub);
}

/* 右侧侧栏 */
.side-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.side-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 16px 16px 14px;
  border: 1px solid rgba(209, 213, 219, 1);
  box-shadow: var(--shadow-soft);
}

.side-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}

.side-header h3 {
  margin: 0;
  font-size: 15px;
}

.side-sub {
  font-size: 12px;
  color: var(--text-sub);
}

/* 搜索 */
.search-card {
  padding-bottom: 16px;
}

.search-label {
  font-size: 13px;
  color: var(--text-sub);
}

.search-box {
  margin-top: 8px;
  display: flex;
  gap: 8px;
}

.search-input {
  flex: 1;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(209, 213, 219, 1);
  background: #f9fafb;
  color: var(--text-main);
  font-size: 13px;
}

.search-input::placeholder {
  color: rgba(156, 163, 175, 0.9);
}

.search-btn {
  padding: 7px 14px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #f9fafb;
  font-size: 13px;
  cursor: pointer;
}

.search-hints {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 11px;
  color: var(--text-sub);
}

.search-hints span {
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(209, 213, 219, 1);
}

/* 时间轴 */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.timeline li {
  display: flex;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(229, 231, 235, 1);
}

.timeline li:last-child {
  border-bottom: none;
}

.time {
  font-size: 12px;
  color: var(--text-sub);
  width: 52px;
}

.event-title {
  font-size: 13px;
}

.event-meta {
  font-size: 11px;
  color: var(--text-sub);
}

/* 公告 */
.notice-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.notice-tag {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  color: #0f172a;
  font-weight: 500;
}

.notice-contest {
  background: #fee2e2;
}

.notice-doc {
  background: #dbeafe;
}

.notice-info {
  background: #dcfce7;
}

.notice-main {
  flex: 1;
}

.notice-title {
  font-size: 13px;
}

.notice-meta {
  font-size: 11px;
  color: var(--text-sub);
}

.notice-list li {
  display: flex;
  gap: 8px;
}

/* 页脚 */
.page-footer {
  margin: 20px auto 24px;
  padding: 10px 24px 0;
  max-width: 1200px;
  border-top: 1px solid rgba(229, 231, 235, 1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  color: var(--text-sub);
}

.footer-links {
  display: flex;
  gap: 14px;
}

.footer-links a {
  color: var(--text-sub);
  text-decoration: none;
}

.footer-links a:hover {
  color: #111827;
}

/* 响应式 */
@media (max-width: 960px) {
  .page-wrapper {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero-card {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .top-nav {
    padding: 10px 14px;
    flex-wrap: wrap;
    gap: 8px;
  }
  .nav-links {
    display: none;
  }
  .page-wrapper {
    padding: 0 14px;
  }
  .quick-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}